380571985 has 8 divisors (see below), whose sum is σ = 464173416. Its totient is φ = 299466240.

The previous prime is 380571977. The next prime is 380572001. The reversal of 380571985 is 589175083.

It can be written as a sum of positive squares in 4 ways, for example, as 35058241 + 345513744 = 5921^2 + 18588^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 380571985 - 2³ = 380571977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 623584 + ... + 624193.

It is an arithmetic number, because the mean of its divisors is an integer number (58021677).

Almost surely, 2^380571985 is an apocalyptic number.

It is an amenable number.

380571985 is a deficient number, since it is larger than the sum of its proper divisors (83601431).

380571985 is a wasteful number, since it uses less digits than its factorization.

380571985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247843.

The product of its (nonzero) digits is 302400, while the sum is 46.

The square root of 380571985 is about 19508.2542786381. The cubic root of 380571985 is about 724.6788811751.

The spelling of 380571985 in words is "three hundred eighty million, five hundred seventy-one thousand, nine hundred eighty-five".